Quote:
Originally Posted by stealthM3
I know you guys claim a 5-6hp gain; any charts for that? You also said it sounds throatier than stock which makes me interested so how much would it be installed? I had alot of stuff installed on my e46 m3 by you guys and steve, so I'm thinking about coming down there again, thanks.
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It's been posted in threads before, here's a 3rd party test here posted in the past:
link:
http://www.m3post.com/forums/showthread.php?t=271780
Quote:
Originally Posted by m3heaven
Do drop in filters have any performance gains in the new 2011 M3s?
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Yes it sure does!
Quote:
Originally Posted by stealthM3
Cool, now how about the price installed?
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PMed!